Qt Creator Ubuntu

Hello GMP using Qt Creator under Ubuntu is straightforward: just run the project.

Download the Qt Creator project 'Hello GMP' (zip)

Operating system: Ubuntu 10.04 LTS Lucid Lynx

IDE: Qt Creator 2.0.0

Project type: console application

Compiler: G++ 4.4.1

Libraries used:

GMP: version 5.0.1

Qt project file


#-------------------------------------------------

#

# Project created by QtCreator 2010-10-01T08:45:31

#

#-------------------------------------------------

QT       += core

QT       -= gui

TARGET = CppHelloGmp

unix:LIBS+= -L/usr/lib -lgmp

CONFIG   += console

CONFIG   -= app_bundle

TEMPLATE = app

SOURCES += main.cpp

main.cpp


#include <iostream>

#include <gmpxx.h>



///From http://www.richelbilderbeek.nl/CppMpz_tToStr.htm

const std::string Mpz_tToStr(const mpz_t& i)

{

  static char buffer[256];

  mpz_get_str(buffer,10,i);

  return std::string(buffer);

}



int main()

{

  mpz_t i;

  mpz_init_set_str(i,"123456789012345678901234567890",10);

  //Perform i = i * i

  mpz_mul(i,i,i);



  std::cout

    << "Hello GMP,\n"

    << Mpz_tToStr(i) << " times.\n";



  mpz_clear(i);

}

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(C++) 'Hello GMP' using Qt Creator under Ubuntu

Qt project file

main.cpp